Improvement in single-thread stitches



J. S. MeCUR.DY.- v Sewing Machine Single Thread Stitch. No. 23,984. 4Patented May 10, 1859- N PETERs. Pholn-Lnhngraphen Nuslnngmn, 0. cv

UNITED STATES PATENT OFFICE.

JAMES S. MOOURDY, OF BROOKLYN, NEWV YORK, ASSIGNOR TO ELIAS HOWE, JR, OFSAME PLACE.

IMPROVEMENT IN SINGLE' THREAD STITCH ESJ Specification forming part ofLetters Patent N0. 23,984, dated May 10, 1859.

T0 aZZ whom it may concern.-

Be it known that I, JAMES S. MOCURDY, of Brooklyn, in the county ofKings and State of New York, have invented a new and usefulSingle-Thread Interlooped Stitch for Sewing, of which the following is afull, clear, and exact description, reference being had to theaccompanying drawings, in which Figure 1 represents an enlarged sectionof two pieces of cloth united by my stitch, and Fig. 2 is a top View ofthe thread of the stitch below the cloth in a slack condition, so as toshow the peculiarities of the stitch. Fig. 3 represents a view of aneedle and a pair of loopers suitable for forming the stitch, and Fig 4is a plan of the loopers.

Theobject of my invention is to produce a single-thread interloopedstich which will be secure; and my invention consists'in a single threadinterlooped stitch in which each successive loop is encircled by acomplete coil of the thread of the preceding loop tightly drawn.

- The most convenient method of-producing my stitch is by mechanismwhichmakes all the stitches alike, so that each loop a of the series isencircled by a coil, 1), of the thread of the preceding loop. Themechanism which I have devised for sewing in this manner consists of aneye-pointed needle to perforate the cloth and carry through it a loop ofthread,

acting in combination with one or more suitable instruments beneath thecloth for acting upon the loop presented by the needle, ar-1 The mostconvenient means of forming the coil of my stitch is by means of twoloopers, d and e, which are caused to revolve by suitable mechanism inopposite directions around the line of motion described by the needle,which is protruded from the opposite side of the cloth; When the needle,after descending through the cloth within the circles described by theseloopers, commences to rise, the loop of' thread carried by it,being'choked at its neck in the cloth, spreads laterally from the needleas it rises, thus leaving an open space between the thread and theneedle, into which the points of the loopers are moved. The loop-' ersare thencaused to revolve in the opposite directions, so as to coil thethread around the body f of the inner looper, e, where it remains untilthe needle, after having been withdrawn upward through the cloth, is projected downward to form the next stitch. The

needle then enters in the coil formed by the loopers, and the latter areturned back to deliver the coil upon the needle and' to be in the Asingle-thread interlooped stitch in which each successive loop. isencircled by a tight coil of the thread of the preceding 100p,substantially as described.

In testimony whereof I have hereunto subscribed my name.

7 JAMES s. Mccunnv Witnesses:

WM. H. Townns, W. H. PLUMMER.

